#553554
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.066 327.9), rgb(85, 53, 84).
Aa
White text reads best on this color (10.37:1).
About this color
#553554 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.056 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #553554 |
| RGB | rgb(85, 53, 84) |
| HSL | hsl(302, 23%, 27%) |
| OKLCH | oklch(37.9% 0.066 327.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #553554 | 10.37:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #553554 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #553554 text on white | 10.37:1 | AAA | Lc 94.0 | Preferred for body text |
| #553554 text on black | 2.02:1 | Fails | Lc -8.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B6D1
oklch(80.9% 0.049 328.2)
-
Step 400
400
#BC8FBA
oklch(70.7% 0.08 327.8)
-
Step 500
500
#AB73A9
oklch(63.2% 0.102 327.9)
-
Step 600
600
#955B94
oklch(55.6% 0.109 327.5)
-
Step 700
700
#7F4A7E
oklch(49% 0.102 327.7)
-
Step 800
800
#683D66
oklch(42.7% 0.085 328.6)
-
Step 900
900 (this color)
#553554
oklch(37.9% 0.066 327.9)
-
Step 950
950
#311F31
oklch(27% 0.041 326.6)
#553554 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #333D55 | 0.062 |
| Deuteranopia (no green cones) | #3B4153 | 0.056 |
| Tritanopia (no blue cones) | #573840 | 0.039 |
| Achromatopsia (no color) | #404040 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553554
#553554
oklch(37.9% 0.066 327.9)
- #284C2E
#284C2E
oklch(38% 0.066 148.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #553554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.073
- Onyx #343A40 ΔE 0.073
- Brownish Purple #76424E ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.081
- Charcoal #264653 ΔE 0.086
- Gunmetal #293241 ΔE 0.088
Use #553554 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.